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Hi,
yes they don't work as navigation by design.
I hope this is not a problem because changing this behavior might be
a pain for some devices...

The reasoning behind this change is that we would often want the
numeric keys to be used for other stuff. E.g. as accelerators in
lists/menus where you can press 2 to fire the second command. However
this used to collide with getGameAction() which returned "UP" for the
2 numeric key...